This option is most useful in cases where you have customized user settings that you want to preserve.
Chapter 1, "Windows Version History," introduced you to the various versions of Windows, past and present, and briefly mentioned the features of Windows XP.
Large numbers of individuals and companies still have older versions of Windows running on their computers.
And even with Windows Vista on the horizon, compared to these older versions, Windows XP still offers a user-friendly experience and security functions that go far beyond its predecessors, including Windows 2000.
This simple hack tells Windows Update that your computer is running Windows Embedded POSReady, rather than Windows XP.